C++23 support

[jlaumon]

cppdialect stops at c++20. Is there something blocking adding c++23?

Are you interested in getting a pull request for that?

[tritao]

cppdialect stops at c++20. Is there something blocking adding c++23?

Are you interested in getting a pull request for that?

Seems like it would be good to have this, PR would be nice 👍